将几个蓄电池并联后,总电压等于各个蓄电池电压的总和。其电流不变。
参考答案:错
The standard (IEEE 802)format for printing (72) in human-friendly form is six groups of two hexadecimal digits,separated by hyphens(-) or colons(:),in transmission order, e.g.01-23-45-67-89-ab,01:23:45:67:89:ab.This form is also commonly used for EUI-64.
A.hard disk logical block address B.IP addressC.mail address D.MAC address
《中国药典》2005年版一部规定,麝香检查项包括()
A.杂质
B.干燥失重
C.酸度
D.醇不溶物
E.总灰分